Wheel alignment (or tracking) is the method of setting your wheels to the optimum position set by the cars manufacturer.
If your wheels are out of line the handling and safety of the vehicle can be affected. Your tyres will also wear in an irregular pattern; you will also notice your car pulling to one side when driving in a straight line.
Checking your wheel alignment will not only save you money by reducing the irregular wear on your tyres and prolong the life of your tyre. But you will also see an increase in your fuel efficiency due to the reduced rolling resistance with the road.
There are many ways for your wheel alignment to be thrown out, the most common are:
The alignment should be checked when you start noticing signs of change or you have hit a significant pot hole or object. Many people get it checked when changing sets of tyres to ensure the most economic wear on tyres. Guidance is also given to check wheel alignment every 6,000 miles.